How to use convection in a sentence

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Sentence Examples I accidentally cooked the sausages in the convection oven for too long so they became hard as cardboard and tasted horrible. The air in the lower atmosphere is being mixed via convection, which is a result of sunlight hitting the ground. This concept of air movement, called natural convection, is an integral part of all successful solar heating installations. Nor did they understand how the insulated walls of the cooker diminished conduction and convection of the heat inside the unit. So unlike marble, the main cooling process for carpet is not conduction, but convection. When the winds encounter these warm surface waters, they rise with convection. In the tandoor, the breads are slapped onto the vertical wall, where they bake quite quickly by a combination of radiant heat and convection. The convection coefficient can be calculated according to the conversion heat formula of the rotating body in pyrology. The mantle churns as hotter material moves outward from Earth's core and colder material sinks back down, a process called thermal convection. It does this through convection, a process through which heat is transferred during the automatic circulation of fluid. Similarly, from a hydrogeological point of view, rapid convection of meteoric waters is known from intermontane rift basins. The charges moving in a conductor constitute a conduction current, while those moving in a vacuum constitute a convection current. The direction of movement of medium particles from the heat source is the direction of convection current. A convection current is produced and this can be tracked by pink colouration coming from the crystals. Precise knowledge of marine geoid is essential for study of mantle convection of oceanic litosphere. When dissolved solids are carried along with the flowing groundwater, the process is called advective transport or convection. This cycle is repeated over and over to generate what scientists call a convection cell or convective flow. While she poured the drinks, the timer on the convection oven started ringing. The moist yet cool south-west airstreams undercut the dry and hot continental air, leading to vigorous and deep convection. Heat will only leave the container by radiation, convection and conduction if the temperature of the container is higher than the surroundings. Show More Sentences It relies on radiation and passive convection from the heatsink fins that surround it, to dissipate heat. Heat is exchanged between the body and its surrounding environment by physical transfer involving conduction, convection, and radiation. While convection could involve solid transport, the most important cases of convection involve fluid transport. The eastward movement of the low-pressure convection area results in drought conditions in Australia, Indonesia, Africa, and India. In addition to carrying heat away from the ground, convection causes clouds, thunderstorms, and hurricanes to form. As yet, there's no industry standard for what constitutes a convection oven. The necessary dwell time of the coated sheet metals was 30 seconds in a stationary convection oven. As claimed, the convection oven is faster and the food is more evenly baked, roasted and broiled. This convection results in the Sun's surface not being smooth, but covered with thousands of these globules, which are called granules. Surface warming leads to cumulus convection and release of latent heat, producing warm temperatures throughout the troposphere. Does the mantle contain two sets of convection cells of fluid rock or only one? The build-up of heat under the mantle initiates, at some point, the formation of convection. Although its name would imply that it radiates heat, the radiator actually dissipates the coolant's heat not by radiation but by convection. A thundercloud, with a distinctive upper anvil shape, results from air which is moist and unstable rising by convection. The human body usually emits heat by way of convection and radiation, and in hot weather the body has to dissipate perspiration by transpiration. This is the best time to avoid turbulence either from possible thunderstorms or heat convection from the sun. A conventional gas or electric oven bakes bread with a lot of hot air, or convection. In spring when the air temperature outside the bin is higher than the grain temperature, a reverse convection current will occur. I have tried to show her how to use the simple microwave and the convection oven, but she will not use either, despite smiling and saying she understands every time. This convection current may easily be seen clinically when there are cells or pigment in the anterior chamber, and explains the relatively inferior location of pigment deposition. Show More Sentences The rays of the sun heat the tropics, and this causes convection to occur. For example, magnetic fields could be added to global simulations of solar convection to address the operation of the dynamo that drives the sunspot cycle. Flick some flour on a baking tray, line up the biscuits five by fifteen, brush on some liquid butter and throw them in the convection oven for twelve minutes. A convection current can be conceived as a current generator caused by charges moved by other than electrical forces such as gravity, wind or eddy diffusion. The result is a current, known as a convection current, in which the warmer water at the bottom of the pan is constantly being replaced by colder water from above. The circular current that results is called a convection cell. This energy is transported outwards by convection and radiation until it reaches the surface, where the temperature is believed to be 5,800 degrees Celsius. In convection, heat is transferred through air or fluid circulation. I also turn on the big convection oven, just to get it heating up. Isolated gain involves utilizing solar energy to passively move heat from or to the living space using a fluid or air by natural convection or forced convection. While mean circulation in the Weddell Sea is primarily barotropic, it can be expected that sufficient deep vertical shear is present to vertically decouple a convection cell over periods up to years. Because the radioactive source of heat is deep within the mantle, the fluid asthenosphere circulates as convection currents underneath the solid lithosphere. The denser sand on top sinks while light sand on the bottom rises, creating swirling vortices akin to the convection rolls that are common in gases heated from below. In such instances, a rigid coupling of plates to convection cells would imply the unusual scenario of upwelling along an expanding ring, with a downwelling column inside it. Isolated from the surface and the bottom, the persisting remnant of the convection cell would be subject to attenuation through drag forces and loss of its baroclinic signature. Such cloud as the morning warmth develops is bumping into an upper inversion layer, spreading out and then evaporating as the surface-generated convection dies away. The fluid in a convection cell is entrained in the flow inside the cell, such that the fluid in the cell is isolated from the fluid in the environment. In summer, a large proportion of the rainfall is caused by sun heating the ground leading to convection and to showers and thunderstorms. Helioseismology provides unique information about the global dynamics of the Sun and local flows in active regions in the upper convection zone. The middle-wave IR transfers relatively more heat into the PCB material than does the forced convection preheater. Show More Sentences The convection microwave oven holds the largest market share in the global microwave oven market. Dual convection technology is an advance that combines the benefits of gravity and mechanical convection in a single micro biological incubator. On laminar hydromagnetic mixed convection flow in a vertical channel with symmetric and asymmetric wall heating conditions, Int. The study involved experimental testing to validate thermal performance of this new heat sink method during forced convection cooling. For outdoor swimming pools, forced convection is usually the prevalent mechanism. The wind tunnel can also be used to characterize different heat sink sizes for natural and forced convection cooling. The forced convection heat transfer from a sphere which is under the influence of an external magnetic field is investigated. This motion is called convection, it orders the stratification by gravitation. How mantle convection directly and indirectly relates to plate motion is a matter of ongoing study and discussion in geodynamics. At the lower end, heat transfer to the room is dominated by convection from the glass and shade and by longwave radiation transfer. Transfer of oxygen from the lungs to the brain in the human body occurs by means of forced convection. Transfer of heat from the engine to the automobile radiator occurs by means of forced convection. The transfer of heat from a hot object by means of upward hot air currents from the object, is due to free convection. The draft of a chimney due to a fire in a fireplace, and the rising of smoke particles from a fire, are due to free convection. Rainfall tends to be associated with Atlantic depressions or with convection. In summer, a large proportion of the rainfall is caused by sun heating the ground, leading to convection and to showers and thunderstorms. Only at some distance does convection occur to carry heat to the bulb envelope. The temperature profile of the atmosphere is a result of an interaction between radiation and convection. Note that the presence of water in the atmosphere complicates the process of convection. The convection between the relatively warm water and cold air in the winter plays an important role in the Arctic climate. Show More Sentences The former is important to the study of mantle convection, plate tectonics and the thermal evolution of the Earth. The manifestation of this varying lateral density is mantle convection from buoyancy forces. In the theory of plume tectonics developed during the 1990s, a modified concept of mantle convection currents is used. It asserts that super plumes rise from the deeper mantle and are the drivers or substitutes of the major convection cells. This upwelling magma then cools and solidifies by conduction and convection of heat to form new oceanic crust. Winter cooling and convection allow AIW to sink and pool behind the Denmark Strait. Deep convection in the Labrador Sea during the late 1980s and early 1990s resulted in CLSW with a lower CFC concentration due to downward mixing. In late spring and summer, large amounts of cold freshwater accumulate from melting ice and are mixed downward during convection. In the early 1990s, several consecutive severe winters contributed towards deep convection in the Labrador Sea. Due to weakened convection, LSW began warming significantly and increased in salinity over the following decade. The motion of the fluid is sustained by convection, motion driven by buoyancy. This includes low momentum diffusion, high momentum convection, and rapid variation of pressure and velocity in space and time. This means that unstable air is now stable when it reaches the equilibrium level and convection stops. It is believed that the movement of mass within the convection zone creates the magnetic activity that generates sunspots. Warm water near the interface rises due to convection, which cools the interface, and prevents boiling of either acid or water. Climate in the mountains becomes colder at high elevations, due an interaction between radiation and convection. Helioseismology studies have built up a certain picture of the solar interior, including such details as the depth of the convection zone. Other science concepts include simulated boiling, fluid flow behavior and bubble movements induced by temperature changes, natural convection, and wake flow. When this water reaches the North Atlantic it cools and sinks through convection, due to its decreased temperature and increased salinity resulting in increased density. The upper layers are formed by deep open ocean convection during winter. Show More Sentences Qpedia Volume 2 include articles on thermal grease, vapor chamber cooling, liquid cooling, natural convection cooling, and phase change materials. When the fluid flowed inside the rectangular cooling trough of the headstock, forced convection heat transfer occurred between the cooling fluid and the headstock. The second event injected a burst of convection heat into Titan's overlying mantle, causing the ice crust to thin and methane to outgas through ice to the surface. On the other hand, as far as known to us, there is only limited number of studies on forced convection heat transfer from heated cylinders to nanofluids. Spherical shaped agravic and oval shaped hypogravic forms of burning fuel, droplets created in a falling chamber as gravitational gradient effects on natural convection. As temperatures cool dramatically in the winter, ice forms and intense vertical convection allows the water to become dense enough to sink below the warm saline water below. Deep convection in the Labrador Sea allows colder water to sink forming this water mass, which is a contributor to the upper layer of North Atlantic Deep Water. Smoked over cherry and mesquite wood, and dried in a convection oven, it gets its flavors from organic blackstrap molasses, Jim Beam bourbon, and salt and pepper. During winter months low pressure dominates in this region, and in years with a positive North Atlantic Oscillation deeper convection is observed. Furthermore, since the accuracy of the convection calculation relies on the precision of the radiation estimation, calculating radiation correctly is essential. The researchers baked the samples in an impingement oven at 179 C for 4 minutes, in a reel oven at 204 C for 10 minutes and in a convection oven at 182 C for 4 minutes. A good thermosiphon has very little hydraulic resistance so that liquid can flow easily under the relatively low pressure produced by natural convection. Chef's kitchen with Viking stove, Broan professional range hood, and Kitchen-Aid stainless steel convection wall oven, refrigerator, and dishwasher. Even in a situation of no wind, small lightweight ignited embers can lift off the pile via convection, and waft through the air into grasses or onto buildings, igniting them. Finally, if cooling, addition of brine from freezing sea ice, or evaporation at the surface causes the surface density to increase, convection will occur. Above that is the convection zone where the gas material transports energy primarily through physical displacement of the gas known as convection. The viscosity of the mantle is important in understanding mantle convection, plate tectonics, dynamical processes in Earth, the thermal state and thermal evolution of Earth. Current research indicates that complex convection within the Earth's mantle allows material to rise to the base of the lithosphere beneath each divergent plate boundary. Heating of the earth near the equator leads to large amounts of upward motion and convection along the monsoon trough or intertropical convergence zone. It may be, however, that the ends of superchrons have caused vigorous convection leading to widespread volcanism, and that the subsequent airborne ash caused extinctions. Show More Sentences The preheat sub-process can be done with a number of different heating configurations, including tubular Calrod elements, forced convection or an infrared lamp system. The slab sank so low in the mantle that it was effectively in a crustal graveyard, the team suggests, where convection was weak and the crust could stay intact. Natural convection of the liquid starts when heat transfer to the liquid gives rise to a temperature difference from one side of the loop to the other. Convection generally produces cumuliform clouds but may produce stratocumulus and altocumulus. Convection cells on Earth cause thermals, breezes, thunderstorms and other weather patterns. Convection is the dissipation of heat when relatively cool air passes over exposed skin. Convection comes to equilibrium when a parcel at air at a given altitude has the same density as its surroundings. Convection allows for the movement of the heated liquid out of the solar collector to be replaced by colder liquid which is in turn heated. Convection moves the heated liquid upwards in the system as it is simultaneously replaced by cooler liquid returning by gravity. Convection occurs when the Earth's surface, within a conditionally unstable or moist atmosphere, becomes heated more than its surroundings, leading to significant evaporation. Convection in the Labrador Sea is the result of a combination of cyclonic oceanographic circulation of the sea currents and cyclonic atmospheric forcing. Examples from Classical Literature The convection declared these assemblies to be illegal, and ordered their dissolution. Thus, heat may be transmitted either by conduction, convection, or radiation. This was placed in the room and provided heat by conduction, convection, and radiation. Owing, also, to this law of convection, the constituents of the air are equalised. This mode of propagation may better be described as a convection of excitation. But heat may be conveyed by means of what is known as radiation, and also by convection. It explains the law of convection, or heat distribution, over the surface of the globe. Because the Infrarad units heat by radiation rather than convection, they are more efficient and do not create a stuffiness inside the room. In summer, when the gradient is steepest, convection reaches its maximum. Thermal shroud for pediatrics, two sheets prepared polyethylene surface trilaminar unbraided, heated mechanism convection. Heat transfer by natural convection of the air on vertical plates and in mortises was investigated on a model by the interferometric method. But the ocean gathers its heat by convection from the earth. Find more words! 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What is the adverb for convection? What is the adjective for convection? What is the noun for convection? Translations for convection Use our Sentence Generator Nearby Words convecting convected convect convalescing convalescents convalescent convectional convection cell convection current convection currents convections convection zone 10-letter Words Starting With c co con conv conve convec convect convecti convectio